Speak with others using clear and professional language, and answer telephones using appropriate etiquette. https://turnname.com/%EC%97%AC%EC%84%B1%EC%9D%84-%EC%9C%84%ED%95%9C-%EB%B0%A4%EC%95%8C%EB%B0%94-%EA%B8%89%EC%97%AC-%EC%8B%A4%EC%A7%88%EC%A0%81%EC%9D%B8-%EC%A0%95%EB%B3%B4%EC%99%80-%ED%98%9C%ED%83%9D/